2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
17 #include <openssl/e_os2.h>
19 #ifndef OPENSSL_NO_SOCK
22 * With IPv6, it looks like Digital has mixed up the proper order of
23 * recursive header file inclusion, resulting in the compiler complaining
24 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
25 * needed to have fileno() declared correctly... So let's define u_int
27 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
29 typedef unsigned int u_int
;
34 #include <openssl/x509.h>
35 #include <openssl/ssl.h>
36 #include <openssl/err.h>
37 #include <openssl/pem.h>
38 #include <openssl/rand.h>
39 #include <openssl/ocsp.h>
40 #include <openssl/bn.h>
41 #include <openssl/trace.h>
42 #include <openssl/async.h>
43 #ifndef OPENSSL_NO_SRP
44 # include <openssl/srp.h>
47 # include <openssl/ct.h>
51 #include "internal/sockets.h"
53 #if defined(__has_feature)
54 # if __has_feature(memory_sanitizer)
55 # include <sanitizer/msan_interface.h>
60 #define BUFSIZZ 1024*8
61 #define S_CLIENT_IRC_READ_TIMEOUT 8
64 static int c_debug
= 0;
65 static int c_showcerts
= 0;
66 static char *keymatexportlabel
= NULL
;
67 static int keymatexportlen
= 20;
68 static BIO
*bio_c_out
= NULL
;
69 static int c_quiet
= 0;
70 static char *sess_out
= NULL
;
71 static SSL_SESSION
*psksess
= NULL
;
73 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
74 #ifndef OPENSSL_NO_OCSP
75 static int ocsp_resp_cb(SSL
*s
, void *arg
);
77 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
);
78 static int is_dNS_name(const char *host
);
80 static int saved_errno
;
82 static void save_errno(void)
88 static int restore_errno(void)
95 static void do_ssl_shutdown(SSL
*ssl
)
100 /* We only do unidirectional shutdown */
101 ret
= SSL_shutdown(ssl
);
103 switch (SSL_get_error(ssl
, ret
)) {
104 case SSL_ERROR_WANT_READ
:
105 case SSL_ERROR_WANT_WRITE
:
106 case SSL_ERROR_WANT_ASYNC
:
107 case SSL_ERROR_WANT_ASYNC_JOB
:
108 /* We just do busy waiting. Nothing clever */
116 /* Default PSK identity and key */
117 static char *psk_identity
= "Client_identity";
119 #ifndef OPENSSL_NO_PSK
120 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
121 unsigned int max_identity_len
,
123 unsigned int max_psk_len
)
130 BIO_printf(bio_c_out
, "psk_client_cb\n");
132 /* no ServerKeyExchange message */
134 BIO_printf(bio_c_out
,
135 "NULL received PSK identity hint, continuing anyway\n");
136 } else if (c_debug
) {
137 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
141 * lookup PSK identity and PSK key based on the given identity hint here
143 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
144 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
147 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
150 /* convert the PSK key to binary */
151 key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
153 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
157 if (max_psk_len
> INT_MAX
|| key_len
> (long)max_psk_len
) {
159 "psk buffer of callback is too small (%d) for key (%ld)\n",
160 max_psk_len
, key_len
);
165 memcpy(psk
, key
, key_len
);
169 BIO_printf(bio_c_out
, "created PSK len=%ld\n", key_len
);
174 BIO_printf(bio_err
, "Error in PSK client callback\n");
179 const unsigned char tls13_aes128gcmsha256_id
[] = { 0x13, 0x01 };
180 const unsigned char tls13_aes256gcmsha384_id
[] = { 0x13, 0x02 };
182 static int psk_use_session_cb(SSL
*s
, const EVP_MD
*md
,
183 const unsigned char **id
, size_t *idlen
,
186 SSL_SESSION
*usesess
= NULL
;
187 const SSL_CIPHER
*cipher
= NULL
;
189 if (psksess
!= NULL
) {
190 SSL_SESSION_up_ref(psksess
);
194 unsigned char *key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
197 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
202 /* We default to SHA-256 */
203 cipher
= SSL_CIPHER_find(s
, tls13_aes128gcmsha256_id
);
204 if (cipher
== NULL
) {
205 BIO_printf(bio_err
, "Error finding suitable ciphersuite\n");
210 usesess
= SSL_SESSION_new();
212 || !SSL_SESSION_set1_master_key(usesess
, key
, key_len
)
213 || !SSL_SESSION_set_cipher(usesess
, cipher
)
214 || !SSL_SESSION_set_protocol_version(usesess
, TLS1_3_VERSION
)) {
221 cipher
= SSL_SESSION_get0_cipher(usesess
);
225 if (md
!= NULL
&& SSL_CIPHER_get_handshake_digest(cipher
) != md
) {
226 /* PSK not usable, ignore it */
230 SSL_SESSION_free(usesess
);
233 *id
= (unsigned char *)psk_identity
;
234 *idlen
= strlen(psk_identity
);
240 SSL_SESSION_free(usesess
);
244 /* This is a context that we pass to callbacks */
245 typedef struct tlsextctx_st
{
250 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
252 tlsextctx
*p
= (tlsextctx
*) arg
;
253 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
254 if (SSL_get_servername_type(s
) != -1)
255 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
257 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
259 return SSL_TLSEXT_ERR_OK
;
262 #ifndef OPENSSL_NO_SRP
264 /* This is a context that we pass to all callbacks */
265 typedef struct srp_arg_st
{
268 int msg
; /* copy from c_msg */
269 int debug
; /* copy from c_debug */
270 int amp
; /* allow more groups */
271 int strength
; /* minimal size for N */
274 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
276 BN_CTX
*bn_ctx
= BN_CTX_new();
277 BIGNUM
*p
= BN_new();
278 BIGNUM
*r
= BN_new();
280 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
281 BN_check_prime(N
, bn_ctx
, NULL
) == 1 &&
282 p
!= NULL
&& BN_rshift1(p
, N
) &&
284 BN_check_prime(p
, bn_ctx
, NULL
) == 1 &&
286 /* verify g^((N-1)/2) == -1 (mod N) */
287 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
288 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
297 * This callback is used here for two purposes:
298 * - extended debugging
299 * - making some primality tests for unknown groups
300 * The callback is only called for a non default group.
302 * An application does not need the call back at all if
303 * only the standard groups are used. In real life situations,
304 * client and server already share well known groups,
305 * thus there is no need to verify them.
306 * Furthermore, in case that a server actually proposes a group that
307 * is not one of those defined in RFC 5054, it is more appropriate
308 * to add the group to a static list and then compare since
309 * primality tests are rather cpu consuming.
312 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
314 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
315 BIGNUM
*N
= NULL
, *g
= NULL
;
317 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
319 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
320 BIO_printf(bio_err
, "SRP parameters:\n");
321 BIO_printf(bio_err
, "\tN=");
322 BN_print(bio_err
, N
);
323 BIO_printf(bio_err
, "\n\tg=");
324 BN_print(bio_err
, g
);
325 BIO_printf(bio_err
, "\n");
328 if (SRP_check_known_gN_param(g
, N
))
331 if (srp_arg
->amp
== 1) {
334 "SRP param N and g are not known params, going to check deeper.\n");
337 * The srp_moregroups is a real debugging feature. Implementors
338 * should rather add the value to the known ones. The minimal size
339 * has already been tested.
341 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
344 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
348 # define PWD_STRLEN 1024
350 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
352 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
353 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
357 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
358 cb_tmp
.prompt_info
= "SRP user";
359 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
360 BIO_printf(bio_err
, "Can't read Password\n");
371 #ifndef OPENSSL_NO_NEXTPROTONEG
372 /* This the context that we pass to next_proto_cb */
373 typedef struct tlsextnextprotoctx_st
{
377 } tlsextnextprotoctx
;
379 static tlsextnextprotoctx next_proto
;
381 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
382 const unsigned char *in
, unsigned int inlen
,
385 tlsextnextprotoctx
*ctx
= arg
;
388 /* We can assume that |in| is syntactically valid. */
390 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
391 for (i
= 0; i
< inlen
;) {
393 BIO_write(bio_c_out
, ", ", 2);
394 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
397 BIO_write(bio_c_out
, "\n", 1);
401 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
402 return SSL_TLSEXT_ERR_OK
;
404 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
406 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
407 const unsigned char *in
, size_t inlen
,
411 unsigned char ext_buf
[4 + 65536];
413 /* Reconstruct the type/len fields prior to extension data */
414 inlen
&= 0xffff; /* for formal memcmpy correctness */
415 ext_buf
[0] = (unsigned char)(ext_type
>> 8);
416 ext_buf
[1] = (unsigned char)(ext_type
);
417 ext_buf
[2] = (unsigned char)(inlen
>> 8);
418 ext_buf
[3] = (unsigned char)(inlen
);
419 memcpy(ext_buf
+ 4, in
, inlen
);
421 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
423 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
428 * Hex decoder that tolerates optional whitespace. Returns number of bytes
429 * produced, advances inptr to end of input string.
431 static ossl_ssize_t
hexdecode(const char **inptr
, void *result
)
433 unsigned char **out
= (unsigned char **)result
;
434 const char *in
= *inptr
;
435 unsigned char *ret
= app_malloc(strlen(in
) / 2, "hexdecode");
436 unsigned char *cp
= ret
;
443 for (byte
= 0; *in
; ++in
) {
446 if (isspace(_UC(*in
)))
448 x
= OPENSSL_hexchar2int(*in
);
454 if ((nibble
^= 1) == 0) {
467 return cp
- (*out
= ret
);
471 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
472 * inptr to next field skipping leading whitespace.
474 static ossl_ssize_t
checked_uint8(const char **inptr
, void *out
)
476 uint8_t *result
= (uint8_t *)out
;
477 const char *in
= *inptr
;
483 v
= strtol(in
, &endp
, 10);
486 if (((v
== LONG_MIN
|| v
== LONG_MAX
) && e
== ERANGE
) ||
487 endp
== in
|| !isspace(_UC(*endp
)) ||
488 v
!= (*result
= (uint8_t) v
)) {
491 for (in
= endp
; isspace(_UC(*in
)); ++in
)
501 ossl_ssize_t (*parser
)(const char **, void *);
504 static int tlsa_import_rr(SSL
*con
, const char *rrdata
)
506 /* Not necessary to re-init these values; the "parsers" do that. */
507 static uint8_t usage
;
508 static uint8_t selector
;
509 static uint8_t mtype
;
510 static unsigned char *data
;
511 static struct tlsa_field tlsa_fields
[] = {
512 { &usage
, "usage", checked_uint8
},
513 { &selector
, "selector", checked_uint8
},
514 { &mtype
, "mtype", checked_uint8
},
515 { &data
, "data", hexdecode
},
518 struct tlsa_field
*f
;
520 const char *cp
= rrdata
;
521 ossl_ssize_t len
= 0;
523 for (f
= tlsa_fields
; f
->var
; ++f
) {
524 /* Returns number of bytes produced, advances cp to next field */
525 if ((len
= f
->parser(&cp
, f
->var
)) <= 0) {
526 BIO_printf(bio_err
, "%s: warning: bad TLSA %s field in: %s\n",
527 prog
, f
->name
, rrdata
);
531 /* The data field is last, so len is its length */
532 ret
= SSL_dane_tlsa_add(con
, usage
, selector
, mtype
, data
, len
);
536 ERR_print_errors(bio_err
);
537 BIO_printf(bio_err
, "%s: warning: unusable TLSA rrdata: %s\n",
542 ERR_print_errors(bio_err
);
543 BIO_printf(bio_err
, "%s: warning: error loading TLSA rrdata: %s\n",
550 static int tlsa_import_rrset(SSL
*con
, STACK_OF(OPENSSL_STRING
) *rrset
)
552 int num
= sk_OPENSSL_STRING_num(rrset
);
556 for (i
= 0; i
< num
; ++i
) {
557 char *rrdata
= sk_OPENSSL_STRING_value(rrset
, i
);
558 if (tlsa_import_rr(con
, rrdata
) > 0)
564 typedef enum OPTION_choice
{
565 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
566 OPT_4
, OPT_6
, OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_BIND
, OPT_UNIX
,
567 OPT_XMPPHOST
, OPT_VERIFY
, OPT_NAMEOPT
,
568 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
569 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
570 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
571 OPT_SSL_CLIENT_ENGINE
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
572 OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
573 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
574 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
575 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_PSK_SESS
,
576 #ifndef OPENSSL_NO_SRP
577 OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
, OPT_SRP_LATEUSER
,
580 OPT_SSL3
, OPT_SSL_CONFIG
,
581 OPT_TLS1_3
, OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
582 OPT_DTLS1_2
, OPT_SCTP
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
583 OPT_CERT_CHAIN
, OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
,
584 OPT_NEXTPROTONEG
, OPT_ALPN
,
585 OPT_CAPATH
, OPT_NOCAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
586 OPT_CAFILE
, OPT_NOCAFILE
, OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
,
587 OPT_CASTORE
, OPT_NOCASTORE
, OPT_CHAINCASTORE
, OPT_VERIFYCASTORE
,
588 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_NOSERVERNAME
, OPT_ASYNC
,
589 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_PROTOHOST
,
590 OPT_MAXFRAGLEN
, OPT_MAX_SEND_FRAG
, OPT_SPLIT_SEND_FRAG
, OPT_MAX_PIPELINES
,
591 OPT_READ_BUF
, OPT_KEYLOG_FILE
, OPT_EARLY_DATA
, OPT_REQCAFILE
,
595 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
, OPT_PROXY_USER
, OPT_PROXY_PASS
,
596 OPT_DANE_TLSA_DOMAIN
,
597 #ifndef OPENSSL_NO_CT
598 OPT_CT
, OPT_NOCT
, OPT_CTLOG_FILE
,
600 OPT_DANE_TLSA_RRDATA
, OPT_DANE_EE_NO_NAME
,
606 const OPTIONS s_client_options
[] = {
607 {OPT_HELP_STR
, 1, '-', "Usage: %s [options] [host:port]\n"},
609 OPT_SECTION("General"),
610 {"help", OPT_HELP
, '-', "Display this summary"},
611 #ifndef OPENSSL_NO_ENGINE
612 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
613 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's',
614 "Specify engine to be used for client certificate operations"},
616 {"ssl_config", OPT_SSL_CONFIG
, 's', "Use specified section for SSL_CTX configuration"},
617 #ifndef OPENSSL_NO_CT
618 {"ct", OPT_CT
, '-', "Request and parse SCTs (also enables OCSP stapling)"},
619 {"noct", OPT_NOCT
, '-', "Do not request or parse SCTs (default)"},
620 {"ctlogfile", OPT_CTLOG_FILE
, '<', "CT log list CONF file"},
623 OPT_SECTION("Network"),
624 {"host", OPT_HOST
, 's', "Use -connect instead"},
625 {"port", OPT_PORT
, 'p', "Use -connect instead"},
626 {"connect", OPT_CONNECT
, 's',
627 "TCP/IP where to connect (default is :" PORT
")"},
628 {"bind", OPT_BIND
, 's', "bind local address for connection"},
629 {"proxy", OPT_PROXY
, 's',
630 "Connect to via specified proxy to the real server"},
631 {"proxy_user", OPT_PROXY_USER
, 's', "UserID for proxy authentication"},
632 {"proxy_pass", OPT_PROXY_PASS
, 's', "Proxy authentication password source"},
634 {"unix", OPT_UNIX
, 's', "Connect over the specified Unix-domain socket"},
636 {"4", OPT_4
, '-', "Use IPv4 only"},
638 {"6", OPT_6
, '-', "Use IPv6 only"},
640 {"maxfraglen", OPT_MAXFRAGLEN
, 'p',
641 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
642 {"max_send_frag", OPT_MAX_SEND_FRAG
, 'p', "Maximum Size of send frames "},
643 {"split_send_frag", OPT_SPLIT_SEND_FRAG
, 'p',
644 "Size used to split data for encrypt pipelines"},
645 {"max_pipelines", OPT_MAX_PIPELINES
, 'p',
646 "Maximum number of encrypt/decrypt pipelines to be used"},
647 {"read_buf", OPT_READ_BUF
, 'p',
648 "Default read buffer size to be used for connections"},
649 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
651 OPT_SECTION("Identity"),
652 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
653 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
654 {"certform", OPT_CERTFORM
, 'F',
655 "Certificate format (PEM or DER) PEM default"},
656 {"nameopt", OPT_NAMEOPT
, 's', "Various certificate name options"},
657 {"key", OPT_KEY
, 's', "Private key file to use, if not in -cert file"},
658 {"keyform", OPT_KEYFORM
, 'E', "Key format (PEM, DER or engine) PEM default"},
659 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
660 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
661 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
662 {"CAstore", OPT_CAFILE
, ':', "URI to store of CA's"},
663 {"no-CAfile", OPT_NOCAFILE
, '-',
664 "Do not load the default certificates file"},
665 {"no-CApath", OPT_NOCAPATH
, '-',
666 "Do not load certificates from the default certificates directory"},
667 {"no-CAstore", OPT_NOCAPATH
, '-',
668 "Do not load certificates from the default certificates store"},
669 {"requestCAfile", OPT_REQCAFILE
, '<',
670 "PEM format file of CA names to send to the server"},
671 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN
, 's', "DANE TLSA base domain"},
672 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA
, 's',
673 "DANE TLSA rrdata presentation form"},
674 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME
, '-',
675 "Disable name checks when matching DANE-EE(3) TLSA records"},
676 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
677 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
678 {"psk_session", OPT_PSK_SESS
, '<', "File to read PSK SSL session from"},
679 {"name", OPT_PROTOHOST
, 's',
680 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
682 OPT_SECTION("Session"),
683 {"reconnect", OPT_RECONNECT
, '-',
684 "Drop and re-make the connection with the same Session-ID"},
685 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
686 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
688 OPT_SECTION("Input/Output"),
689 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
690 {"quiet", OPT_QUIET
, '-', "No s_client output"},
691 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
692 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
693 {"starttls", OPT_STARTTLS
, 's',
694 "Use the appropriate STARTTLS command before starting TLS"},
695 {"xmpphost", OPT_XMPPHOST
, 's',
696 "Alias of -name option for \"-starttls xmpp[-server]\""},
697 {"brief", OPT_BRIEF
, '-',
698 "Restrict output to brief summary of connection parameters"},
699 {"prexit", OPT_PREXIT
, '-',
700 "Print session information when the program exits"},
702 OPT_SECTION("Debug"),
703 {"showcerts", OPT_SHOWCERTS
, '-',
704 "Show all certificates sent by the server"},
705 {"debug", OPT_DEBUG
, '-', "Extra output"},
706 {"msg", OPT_MSG
, '-', "Show protocol messages"},
707 {"msgfile", OPT_MSGFILE
, '>',
708 "File to send output of -msg or -trace, instead of stdout"},
709 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
710 {"state", OPT_STATE
, '-', "Print the ssl states"},
711 {"keymatexport", OPT_KEYMATEXPORT
, 's',
712 "Export keying material using label"},
713 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
714 "Export len bytes of keying material (default 20)"},
715 {"security_debug", OPT_SECURITY_DEBUG
, '-',
716 "Enable security debug messages"},
717 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-',
718 "Output more security debug output"},
719 #ifndef OPENSSL_NO_SSL_TRACE
720 {"trace", OPT_TRACE
, '-', "Show trace output of protocol messages"},
723 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
725 {"keylogfile", OPT_KEYLOG_FILE
, '>', "Write TLS secrets to file"},
726 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
727 {"servername", OPT_SERVERNAME
, 's',
728 "Set TLS extension servername (SNI) in ClientHello (default)"},
729 {"noservername", OPT_NOSERVERNAME
, '-',
730 "Do not send the server name (SNI) extension in the ClientHello"},
731 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
732 "Hex dump of all TLS extensions received"},
733 #ifndef OPENSSL_NO_OCSP
734 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
736 {"serverinfo", OPT_SERVERINFO
, 's',
737 "types Send empty ClientHello extensions (comma-separated numbers)"},
738 {"alpn", OPT_ALPN
, 's',
739 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
740 {"async", OPT_ASYNC
, '-', "Support asynchronous operation"},
741 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
743 OPT_SECTION("Protocol and version"),
744 #ifndef OPENSSL_NO_SSL3
745 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
747 #ifndef OPENSSL_NO_TLS1
748 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
750 #ifndef OPENSSL_NO_TLS1_1
751 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
753 #ifndef OPENSSL_NO_TLS1_2
754 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
756 #ifndef OPENSSL_NO_TLS1_3
757 {"tls1_3", OPT_TLS1_3
, '-', "Just use TLSv1.3"},
759 #ifndef OPENSSL_NO_DTLS
760 {"dtls", OPT_DTLS
, '-', "Use any version of DTLS"},
761 {"timeout", OPT_TIMEOUT
, '-',
762 "Enable send/receive timeout on DTLS connections"},
763 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
765 #ifndef OPENSSL_NO_DTLS1
766 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
768 #ifndef OPENSSL_NO_DTLS1_2
769 {"dtls1_2", OPT_DTLS1_2
, '-', "Just use DTLSv1.2"},
771 #ifndef OPENSSL_NO_SCTP
772 {"sctp", OPT_SCTP
, '-', "Use SCTP"},
773 {"sctp_label_bug", OPT_SCTP_LABEL_BUG
, '-', "Enable SCTP label length bug"},
775 #ifndef OPENSSL_NO_NEXTPROTONEG
776 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
777 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
779 {"early_data", OPT_EARLY_DATA
, '<', "File to send as early data"},
780 {"enable_pha", OPT_ENABLE_PHA
, '-', "Enable post-handshake-authentication"},
781 #ifndef OPENSSL_NO_SRTP
782 {"use_srtp", OPT_USE_SRTP
, 's',
783 "Offer SRTP key management with a colon-separated profile list"},
785 #ifndef OPENSSL_NO_SRP
786 {"srpuser", OPT_SRPUSER
, 's', "SRP authentication for 'user'"},
787 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
788 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
789 "SRP username into second ClientHello message"},
790 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
791 "Tolerate other than the known g N values."},
792 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal length in bits for N"},
798 {"CRL", OPT_CRL
, '<', "CRL file to use"},
799 {"crl_download", OPT_CRL_DOWNLOAD
, '-', "Download CRL from distribution points"},
800 {"CRLform", OPT_CRLFORM
, 'F', "CRL format (PEM or DER) PEM is default"},
801 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-',
802 "Close connection on verification error"},
803 {"verify_quiet", OPT_VERIFY_QUIET
, '-', "Restrict verify output to errors"},
804 {"cert_chain", OPT_CERT_CHAIN
, '<',
805 "Certificate chain file (in PEM format)"},
806 {"chainCApath", OPT_CHAINCAPATH
, '/',
807 "Use dir as certificate store path to build CA certificate chain"},
808 {"chainCAstore", OPT_CHAINCASTORE
, ':',
809 "CA store URI for certificate chain"},
810 {"verifyCAfile", OPT_VERIFYCAFILE
, '<',
811 "CA file for certificate verification (PEM format)"},
812 {"verifyCApath", OPT_VERIFYCAPATH
, '/',
813 "Use dir as certificate store path to verify CA certificate"},
814 {"verifyCAstore", OPT_VERIFYCASTORE
, ':',
815 "CA store URI for certificate verification"},
816 {"build_chain", OPT_BUILD_CHAIN
, '-', "Build certificate chain"},
817 {"chainCAfile", OPT_CHAINCAFILE
, '<',
818 "CA file for certificate chain (PEM format)"},
822 {"host:port", 0, 0, "Where to connect; same as -connect option"},
826 typedef enum PROTOCOL_choice
{
845 static const OPT_PAIR services
[] = {
846 {"smtp", PROTO_SMTP
},
847 {"pop3", PROTO_POP3
},
848 {"imap", PROTO_IMAP
},
850 {"xmpp", PROTO_XMPP
},
851 {"xmpp-server", PROTO_XMPP_SERVER
},
852 {"telnet", PROTO_TELNET
},
854 {"mysql", PROTO_MYSQL
},
855 {"postgres", PROTO_POSTGRES
},
856 {"lmtp", PROTO_LMTP
},
857 {"nntp", PROTO_NNTP
},
858 {"sieve", PROTO_SIEVE
},
859 {"ldap", PROTO_LDAP
},
863 #define IS_INET_FLAG(o) \
864 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
865 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
867 #define IS_PROT_FLAG(o) \
868 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
869 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
871 /* Free |*dest| and optionally set it to a copy of |source|. */
872 static void freeandcopy(char **dest
, const char *source
)
877 *dest
= OPENSSL_strdup(source
);
880 static int new_session_cb(SSL
*s
, SSL_SESSION
*sess
)
883 if (sess_out
!= NULL
) {
884 BIO
*stmp
= BIO_new_file(sess_out
, "w");
887 BIO_printf(bio_err
, "Error writing session file %s\n", sess_out
);
889 PEM_write_bio_SSL_SESSION(stmp
, sess
);
895 * Session data gets dumped on connection for TLSv1.2 and below, and on
896 * arrival of the NewSessionTicket for TLSv1.3.
898 if (SSL_version(s
) == TLS1_3_VERSION
) {
899 BIO_printf(bio_c_out
,
900 "---\nPost-Handshake New Session Ticket arrived:\n");
901 SSL_SESSION_print(bio_c_out
, sess
);
902 BIO_printf(bio_c_out
, "---\n");
906 * We always return a "fail" response so that the session gets freed again
907 * because we haven't used the reference.
912 int s_client_main(int argc
, char **argv
)
915 EVP_PKEY
*key
= NULL
;
918 STACK_OF(X509
) *chain
= NULL
;
920 X509_VERIFY_PARAM
*vpm
= NULL
;
921 SSL_EXCERT
*exc
= NULL
;
922 SSL_CONF_CTX
*cctx
= NULL
;
923 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
924 char *dane_tlsa_domain
= NULL
;
925 STACK_OF(OPENSSL_STRING
) *dane_tlsa_rrset
= NULL
;
926 int dane_ee_no_name
= 0;
927 STACK_OF(X509_CRL
) *crls
= NULL
;
928 const SSL_METHOD
*meth
= TLS_client_method();
929 const char *CApath
= NULL
, *CAfile
= NULL
, *CAstore
= NULL
;
930 char *cbuf
= NULL
, *sbuf
= NULL
, *mbuf
= NULL
;
931 char *proxystr
= NULL
, *proxyuser
= NULL
;
932 char *proxypassarg
= NULL
, *proxypass
= NULL
;
933 char *connectstr
= NULL
, *bindstr
= NULL
;
934 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
;
935 char *chCApath
= NULL
, *chCAfile
= NULL
, *chCAstore
= NULL
, *host
= NULL
;
936 char *port
= OPENSSL_strdup(PORT
);
937 char *bindhost
= NULL
, *bindport
= NULL
;
938 char *passarg
= NULL
, *pass
= NULL
;
939 char *vfyCApath
= NULL
, *vfyCAfile
= NULL
, *vfyCAstore
= NULL
;
940 char *ReqCAfile
= NULL
;
941 char *sess_in
= NULL
, *crl_file
= NULL
, *p
;
942 const char *protohost
= NULL
;
943 struct timeval timeout
, *timeoutp
;
944 fd_set readfds
, writefds
;
945 int noCApath
= 0, noCAfile
= 0, noCAstore
= 0;
946 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
947 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
950 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
951 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, sock
= -1, k
, width
, state
= 0;
952 int sbuf_len
, sbuf_off
, cmdletters
= 1;
953 int socket_family
= AF_UNSPEC
, socket_type
= SOCK_STREAM
, protocol
= 0;
954 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
955 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
956 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
959 int read_buf_len
= 0;
960 int fallback_scsv
= 0;
962 #ifndef OPENSSL_NO_DTLS
963 int enable_timeouts
= 0;
966 #ifndef OPENSSL_NO_ENGINE
967 ENGINE
*ssl_client_engine
= NULL
;
970 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
973 const char *servername
= NULL
;
974 int noservername
= 0;
975 const char *alpn_in
= NULL
;
976 tlsextctx tlsextcbp
= { NULL
, 0 };
977 const char *ssl_config
= NULL
;
978 #define MAX_SI_TYPES 100
979 unsigned short serverinfo_types
[MAX_SI_TYPES
];
980 int serverinfo_count
= 0, start
= 0, len
;
981 #ifndef OPENSSL_NO_NEXTPROTONEG
982 const char *next_proto_neg_in
= NULL
;
984 #ifndef OPENSSL_NO_SRP
985 char *srppass
= NULL
;
986 int srp_lateuser
= 0;
987 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
989 #ifndef OPENSSL_NO_SRTP
990 char *srtp_profiles
= NULL
;
992 #ifndef OPENSSL_NO_CT
993 char *ctlog_file
= NULL
;
994 int ct_validation
= 0;
996 int min_version
= 0, max_version
= 0, prot_opt
= 0, no_prot_opt
= 0;
998 unsigned int max_send_fragment
= 0;
999 unsigned int split_send_fragment
= 0, max_pipelines
= 0;
1000 enum { use_inet
, use_unix
, use_unknown
} connect_type
= use_unknown
;
1002 uint8_t maxfraglen
= 0;
1003 int c_nbio
= 0, c_msg
= 0, c_ign_eof
= 0, c_brief
= 0;
1004 int c_tlsextdebug
= 0;
1005 #ifndef OPENSSL_NO_OCSP
1006 int c_status_req
= 0;
1008 BIO
*bio_c_msg
= NULL
;
1009 const char *keylog_file
= NULL
, *early_data_file
= NULL
;
1010 #ifndef OPENSSL_NO_DTLS
1013 char *psksessf
= NULL
;
1015 #ifndef OPENSSL_NO_SCTP
1016 int sctp_label_bug
= 0;
1021 /* Known false-positive of MemorySanitizer. */
1022 #if defined(__has_feature)
1023 # if __has_feature(memory_sanitizer)
1024 __msan_unpoison(&readfds
, sizeof(readfds
));
1025 __msan_unpoison(&writefds
, sizeof(writefds
));
1029 prog
= opt_progname(argv
[0]);
1034 vpm
= X509_VERIFY_PARAM_new();
1035 cctx
= SSL_CONF_CTX_new();
1037 if (vpm
== NULL
|| cctx
== NULL
) {
1038 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
1042 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
1043 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
1044 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
1046 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
1048 prog
= opt_init(argc
, argv
, s_client_options
);
1049 while ((o
= opt_next()) != OPT_EOF
) {
1050 /* Check for intermixing flags. */
1051 if (connect_type
== use_unix
&& IS_INET_FLAG(o
)) {
1053 "%s: Intermixed protocol flags (unix and internet domains)\n",
1057 if (connect_type
== use_inet
&& IS_UNIX_FLAG(o
)) {
1059 "%s: Intermixed protocol flags (internet and unix domains)\n",
1064 if (IS_PROT_FLAG(o
) && ++prot_opt
> 1) {
1065 BIO_printf(bio_err
, "Cannot supply multiple protocol flags\n");
1068 if (IS_NO_PROT_FLAG(o
))
1070 if (prot_opt
== 1 && no_prot_opt
) {
1072 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1080 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
1083 opt_help(s_client_options
);
1087 connect_type
= use_inet
;
1088 socket_family
= AF_INET
;
1093 connect_type
= use_inet
;
1094 socket_family
= AF_INET6
;
1099 connect_type
= use_inet
;
1100 freeandcopy(&host
, opt_arg());
1103 connect_type
= use_inet
;
1104 freeandcopy(&port
, opt_arg());
1107 connect_type
= use_inet
;
1108 freeandcopy(&connectstr
, opt_arg());
1111 freeandcopy(&bindstr
, opt_arg());
1114 proxystr
= opt_arg();
1115 starttls_proto
= PROTO_CONNECT
;
1117 case OPT_PROXY_USER
:
1118 proxyuser
= opt_arg();
1120 case OPT_PROXY_PASS
:
1121 proxypassarg
= opt_arg();
1125 connect_type
= use_unix
;
1126 socket_family
= AF_UNIX
;
1127 freeandcopy(&host
, opt_arg());
1131 /* fall through, since this is an alias */
1133 protohost
= opt_arg();
1136 verify
= SSL_VERIFY_PEER
;
1137 verify_args
.depth
= atoi(opt_arg());
1139 BIO_printf(bio_err
, "verify depth is %d\n", verify_args
.depth
);
1142 cert_file
= opt_arg();
1145 if (!set_nameopt(opt_arg()))
1149 crl_file
= opt_arg();
1151 case OPT_CRL_DOWNLOAD
:
1155 sess_out
= opt_arg();
1158 sess_in
= opt_arg();
1161 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
1165 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
1168 case OPT_VERIFY_RET_ERROR
:
1169 verify
= SSL_VERIFY_PEER
;
1170 verify_args
.return_error
= 1;
1172 case OPT_VERIFY_QUIET
:
1173 verify_args
.quiet
= 1;
1176 c_brief
= verify_args
.quiet
= c_quiet
= 1;
1179 if (ssl_args
== NULL
)
1180 ssl_args
= sk_OPENSSL_STRING_new_null();
1181 if (ssl_args
== NULL
1182 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
1183 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
1184 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1189 if (!opt_verify(o
, vpm
))
1194 if (!args_excert(o
, &exc
))
1204 c_quiet
= c_ign_eof
= 1;
1213 e
= setup_engine(opt_arg(), 1);
1215 case OPT_SSL_CLIENT_ENGINE
:
1216 #ifndef OPENSSL_NO_ENGINE
1217 ssl_client_engine
= ENGINE_by_id(opt_arg());
1218 if (ssl_client_engine
== NULL
) {
1219 BIO_printf(bio_err
, "Error getting client auth engine\n");
1231 case OPT_NO_IGN_EOF
:
1237 case OPT_TLSEXTDEBUG
:
1241 #ifndef OPENSSL_NO_OCSP
1254 bio_c_msg
= BIO_new_file(opt_arg(), "w");
1257 #ifndef OPENSSL_NO_SSL_TRACE
1261 case OPT_SECURITY_DEBUG
:
1264 case OPT_SECURITY_DEBUG_VERBOSE
:
1276 case OPT_PSK_IDENTITY
:
1277 psk_identity
= opt_arg();
1280 for (p
= psk_key
= opt_arg(); *p
; p
++) {
1281 if (isxdigit(_UC(*p
)))
1283 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
1288 psksessf
= opt_arg();
1290 #ifndef OPENSSL_NO_SRP
1292 srp_arg
.srplogin
= opt_arg();
1293 if (min_version
< TLS1_VERSION
)
1294 min_version
= TLS1_VERSION
;
1297 srppass
= opt_arg();
1298 if (min_version
< TLS1_VERSION
)
1299 min_version
= TLS1_VERSION
;
1301 case OPT_SRP_STRENGTH
:
1302 srp_arg
.strength
= atoi(opt_arg());
1303 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
1305 if (min_version
< TLS1_VERSION
)
1306 min_version
= TLS1_VERSION
;
1308 case OPT_SRP_LATEUSER
:
1310 if (min_version
< TLS1_VERSION
)
1311 min_version
= TLS1_VERSION
;
1313 case OPT_SRP_MOREGROUPS
:
1315 if (min_version
< TLS1_VERSION
)
1316 min_version
= TLS1_VERSION
;
1319 case OPT_SSL_CONFIG
:
1320 ssl_config
= opt_arg();
1323 min_version
= SSL3_VERSION
;
1324 max_version
= SSL3_VERSION
;
1327 min_version
= TLS1_3_VERSION
;
1328 max_version
= TLS1_3_VERSION
;
1331 min_version
= TLS1_2_VERSION
;
1332 max_version
= TLS1_2_VERSION
;
1335 min_version
= TLS1_1_VERSION
;
1336 max_version
= TLS1_1_VERSION
;
1339 min_version
= TLS1_VERSION
;
1340 max_version
= TLS1_VERSION
;
1343 #ifndef OPENSSL_NO_DTLS
1344 meth
= DTLS_client_method();
1345 socket_type
= SOCK_DGRAM
;
1350 #ifndef OPENSSL_NO_DTLS1
1351 meth
= DTLS_client_method();
1352 min_version
= DTLS1_VERSION
;
1353 max_version
= DTLS1_VERSION
;
1354 socket_type
= SOCK_DGRAM
;
1359 #ifndef OPENSSL_NO_DTLS1_2
1360 meth
= DTLS_client_method();
1361 min_version
= DTLS1_2_VERSION
;
1362 max_version
= DTLS1_2_VERSION
;
1363 socket_type
= SOCK_DGRAM
;
1368 #ifndef OPENSSL_NO_SCTP
1369 protocol
= IPPROTO_SCTP
;
1372 case OPT_SCTP_LABEL_BUG
:
1373 #ifndef OPENSSL_NO_SCTP
1378 #ifndef OPENSSL_NO_DTLS
1379 enable_timeouts
= 1;
1383 #ifndef OPENSSL_NO_DTLS
1384 socket_mtu
= atol(opt_arg());
1387 case OPT_FALLBACKSCSV
:
1391 if (!opt_format(opt_arg(), OPT_FMT_PDE
, &key_format
))
1395 passarg
= opt_arg();
1397 case OPT_CERT_CHAIN
:
1398 chain_file
= opt_arg();
1401 key_file
= opt_arg();
1412 case OPT_CHAINCAPATH
:
1413 chCApath
= opt_arg();
1415 case OPT_VERIFYCAPATH
:
1416 vfyCApath
= opt_arg();
1418 case OPT_BUILD_CHAIN
:
1422 ReqCAfile
= opt_arg();
1430 #ifndef OPENSSL_NO_CT
1437 case OPT_CTLOG_FILE
:
1438 ctlog_file
= opt_arg();
1441 case OPT_CHAINCAFILE
:
1442 chCAfile
= opt_arg();
1444 case OPT_VERIFYCAFILE
:
1445 vfyCAfile
= opt_arg();
1448 CAstore
= opt_arg();
1453 case OPT_CHAINCASTORE
:
1454 chCAstore
= opt_arg();
1456 case OPT_VERIFYCASTORE
:
1457 vfyCAstore
= opt_arg();
1459 case OPT_DANE_TLSA_DOMAIN
:
1460 dane_tlsa_domain
= opt_arg();
1462 case OPT_DANE_TLSA_RRDATA
:
1463 if (dane_tlsa_rrset
== NULL
)
1464 dane_tlsa_rrset
= sk_OPENSSL_STRING_new_null();
1465 if (dane_tlsa_rrset
== NULL
||
1466 !sk_OPENSSL_STRING_push(dane_tlsa_rrset
, opt_arg())) {
1467 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1471 case OPT_DANE_EE_NO_NAME
:
1472 dane_ee_no_name
= 1;
1474 case OPT_NEXTPROTONEG
:
1475 #ifndef OPENSSL_NO_NEXTPROTONEG
1476 next_proto_neg_in
= opt_arg();
1480 alpn_in
= opt_arg();
1482 case OPT_SERVERINFO
:
1485 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1486 if (i
== len
|| p
[i
] == ',') {
1487 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1488 if (++serverinfo_count
== MAX_SI_TYPES
)
1495 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1498 case OPT_SERVERNAME
:
1499 servername
= opt_arg();
1501 case OPT_NOSERVERNAME
:
1505 #ifndef OPENSSL_NO_SRTP
1506 srtp_profiles
= opt_arg();
1509 case OPT_KEYMATEXPORT
:
1510 keymatexportlabel
= opt_arg();
1512 case OPT_KEYMATEXPORTLEN
:
1513 keymatexportlen
= atoi(opt_arg());
1518 case OPT_MAXFRAGLEN
:
1519 len
= atoi(opt_arg());
1522 maxfraglen
= TLSEXT_max_fragment_length_512
;
1525 maxfraglen
= TLSEXT_max_fragment_length_1024
;
1528 maxfraglen
= TLSEXT_max_fragment_length_2048
;
1531 maxfraglen
= TLSEXT_max_fragment_length_4096
;
1535 "%s: Max Fragment Len %u is out of permitted values",
1540 case OPT_MAX_SEND_FRAG
:
1541 max_send_fragment
= atoi(opt_arg());
1543 case OPT_SPLIT_SEND_FRAG
:
1544 split_send_fragment
= atoi(opt_arg());
1546 case OPT_MAX_PIPELINES
:
1547 max_pipelines
= atoi(opt_arg());
1550 read_buf_len
= atoi(opt_arg());
1552 case OPT_KEYLOG_FILE
:
1553 keylog_file
= opt_arg();
1555 case OPT_EARLY_DATA
:
1556 early_data_file
= opt_arg();
1558 case OPT_ENABLE_PHA
:
1564 if (count4or6
>= 2) {
1565 BIO_printf(bio_err
, "%s: Can't use both -4 and -6\n", prog
);
1569 if (servername
!= NULL
) {
1571 "%s: Can't use -servername and -noservername together\n",
1575 if (dane_tlsa_domain
!= NULL
) {
1577 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1582 argc
= opt_num_rest();
1584 /* If there's a positional argument, it's the equivalent of
1586 * Don't allow -connect and a separate argument.
1588 if (connectstr
!= NULL
) {
1590 "%s: must not provide both -connect option and target parameter\n",
1594 connect_type
= use_inet
;
1595 freeandcopy(&connectstr
, *opt_rest());
1596 } else if (argc
!= 0) {
1600 #ifndef OPENSSL_NO_NEXTPROTONEG
1601 if (min_version
== TLS1_3_VERSION
&& next_proto_neg_in
!= NULL
) {
1602 BIO_printf(bio_err
, "Cannot supply -nextprotoneg with TLSv1.3\n");
1606 if (proxystr
!= NULL
) {
1608 char *tmp_host
= host
, *tmp_port
= port
;
1609 if (connectstr
== NULL
) {
1610 BIO_printf(bio_err
, "%s: -proxy requires use of -connect or target parameter\n", prog
);
1613 res
= BIO_parse_hostserv(proxystr
, &host
, &port
, BIO_PARSE_PRIO_HOST
);
1614 if (tmp_host
!= host
)
1615 OPENSSL_free(tmp_host
);
1616 if (tmp_port
!= port
)
1617 OPENSSL_free(tmp_port
);
1620 "%s: -proxy argument malformed or ambiguous\n", prog
);
1625 char *tmp_host
= host
, *tmp_port
= port
;
1626 if (connectstr
!= NULL
)
1627 res
= BIO_parse_hostserv(connectstr
, &host
, &port
,
1628 BIO_PARSE_PRIO_HOST
);
1629 if (tmp_host
!= host
)
1630 OPENSSL_free(tmp_host
);
1631 if (tmp_port
!= port
)
1632 OPENSSL_free(tmp_port
);
1635 "%s: -connect argument or target parameter malformed or ambiguous\n",
1641 if (bindstr
!= NULL
) {
1643 res
= BIO_parse_hostserv(bindstr
, &bindhost
, &bindport
,
1644 BIO_PARSE_PRIO_HOST
);
1647 "%s: -bind argument parameter malformed or ambiguous\n",
1654 if (socket_family
== AF_UNIX
&& socket_type
!= SOCK_STREAM
) {
1656 "Can't use unix sockets and datagrams together\n");
1661 #ifndef OPENSSL_NO_SCTP
1662 if (protocol
== IPPROTO_SCTP
) {
1663 if (socket_type
!= SOCK_DGRAM
) {
1664 BIO_printf(bio_err
, "Can't use -sctp without DTLS\n");
1667 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1668 socket_type
= SOCK_STREAM
;
1672 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1673 next_proto
.status
= -1;
1674 if (next_proto_neg_in
) {
1676 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1677 if (next_proto
.data
== NULL
) {
1678 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1682 next_proto
.data
= NULL
;
1685 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1686 BIO_printf(bio_err
, "Error getting private key password\n");
1690 if (!app_passwd(proxypassarg
, NULL
, &proxypass
, NULL
)) {
1691 BIO_printf(bio_err
, "Error getting proxy password\n");
1695 if (proxypass
!= NULL
&& proxyuser
== NULL
) {
1696 BIO_printf(bio_err
, "Error: Must specify proxy_user with proxy_pass\n");
1700 if (key_file
== NULL
)
1701 key_file
= cert_file
;
1703 if (key_file
!= NULL
) {
1704 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1705 "client certificate private key file");
1707 ERR_print_errors(bio_err
);
1712 if (cert_file
!= NULL
) {
1713 cert
= load_cert(cert_file
, cert_format
, "client certificate file");
1715 ERR_print_errors(bio_err
);
1720 if (chain_file
!= NULL
) {
1721 if (!load_certs(chain_file
, &chain
, FORMAT_PEM
, NULL
,
1722 "client certificate chain"))
1726 if (crl_file
!= NULL
) {
1728 crl
= load_crl(crl_file
, crl_format
);
1730 BIO_puts(bio_err
, "Error loading CRL\n");
1731 ERR_print_errors(bio_err
);
1734 crls
= sk_X509_CRL_new_null();
1735 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1736 BIO_puts(bio_err
, "Error adding CRL\n");
1737 ERR_print_errors(bio_err
);
1743 if (!load_excert(&exc
))
1746 if (bio_c_out
== NULL
) {
1747 if (c_quiet
&& !c_debug
) {
1748 bio_c_out
= BIO_new(BIO_s_null());
1749 if (c_msg
&& bio_c_msg
== NULL
)
1750 bio_c_msg
= dup_bio_out(FORMAT_TEXT
);
1751 } else if (bio_c_out
== NULL
)
1752 bio_c_out
= dup_bio_out(FORMAT_TEXT
);
1754 #ifndef OPENSSL_NO_SRP
1755 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1756 BIO_printf(bio_err
, "Error getting password\n");
1761 ctx
= SSL_CTX_new(meth
);
1763 ERR_print_errors(bio_err
);
1767 SSL_CTX_clear_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1770 ssl_ctx_security_debug(ctx
, sdebug
);
1772 if (!config_ctx(cctx
, ssl_args
, ctx
))
1775 if (ssl_config
!= NULL
) {
1776 if (SSL_CTX_config(ctx
, ssl_config
) == 0) {
1777 BIO_printf(bio_err
, "Error using configuration \"%s\"\n",
1779 ERR_print_errors(bio_err
);
1784 #ifndef OPENSSL_NO_SCTP
1785 if (protocol
== IPPROTO_SCTP
&& sctp_label_bug
== 1)
1786 SSL_CTX_set_mode(ctx
, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG
);
1789 if (min_version
!= 0
1790 && SSL_CTX_set_min_proto_version(ctx
, min_version
) == 0)
1792 if (max_version
!= 0
1793 && SSL_CTX_set_max_proto_version(ctx
, max_version
) == 0)
1796 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1797 BIO_printf(bio_err
, "Error setting verify params\n");
1798 ERR_print_errors(bio_err
);
1803 SSL_CTX_set_mode(ctx
, SSL_MODE_ASYNC
);
1806 if (max_send_fragment
> 0
1807 && !SSL_CTX_set_max_send_fragment(ctx
, max_send_fragment
)) {
1808 BIO_printf(bio_err
, "%s: Max send fragment size %u is out of permitted range\n",
1809 prog
, max_send_fragment
);
1813 if (split_send_fragment
> 0
1814 && !SSL_CTX_set_split_send_fragment(ctx
, split_send_fragment
)) {
1815 BIO_printf(bio_err
, "%s: Split send fragment size %u is out of permitted range\n",
1816 prog
, split_send_fragment
);
1820 if (max_pipelines
> 0
1821 && !SSL_CTX_set_max_pipelines(ctx
, max_pipelines
)) {
1822 BIO_printf(bio_err
, "%s: Max pipelines %u is out of permitted range\n",
1823 prog
, max_pipelines
);
1827 if (read_buf_len
> 0) {
1828 SSL_CTX_set_default_read_buffer_len(ctx
, read_buf_len
);
1832 && !SSL_CTX_set_tlsext_max_fragment_length(ctx
, maxfraglen
)) {
1834 "%s: Max Fragment Length code %u is out of permitted values"
1835 "\n", prog
, maxfraglen
);
1839 if (!ssl_load_stores(ctx
,
1840 vfyCApath
, vfyCAfile
, vfyCAstore
,
1841 chCApath
, chCAfile
, chCAstore
,
1842 crls
, crl_download
)) {
1843 BIO_printf(bio_err
, "Error loading store locations\n");
1844 ERR_print_errors(bio_err
);
1847 if (ReqCAfile
!= NULL
) {
1848 STACK_OF(X509_NAME
) *nm
= sk_X509_NAME_new_null();
1850 if (nm
== NULL
|| !SSL_add_file_cert_subjects_to_stack(nm
, ReqCAfile
)) {
1851 sk_X509_NAME_pop_free(nm
, X509_NAME_free
);
1852 BIO_printf(bio_err
, "Error loading CA names\n");
1853 ERR_print_errors(bio_err
);
1856 SSL_CTX_set0_CA_list(ctx
, nm
);
1858 #ifndef OPENSSL_NO_ENGINE
1859 if (ssl_client_engine
) {
1860 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1861 BIO_puts(bio_err
, "Error setting client auth engine\n");
1862 ERR_print_errors(bio_err
);
1863 ENGINE_free(ssl_client_engine
);
1866 ENGINE_free(ssl_client_engine
);
1870 #ifndef OPENSSL_NO_PSK
1871 if (psk_key
!= NULL
) {
1873 BIO_printf(bio_c_out
, "PSK key given, setting client callback\n");
1874 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1877 if (psksessf
!= NULL
) {
1878 BIO
*stmp
= BIO_new_file(psksessf
, "r");
1881 BIO_printf(bio_err
, "Can't open PSK session file %s\n", psksessf
);
1882 ERR_print_errors(bio_err
);
1885 psksess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1887 if (psksess
== NULL
) {
1888 BIO_printf(bio_err
, "Can't read PSK session file %s\n", psksessf
);
1889 ERR_print_errors(bio_err
);
1893 if (psk_key
!= NULL
|| psksess
!= NULL
)
1894 SSL_CTX_set_psk_use_session_callback(ctx
, psk_use_session_cb
);
1896 #ifndef OPENSSL_NO_SRTP
1897 if (srtp_profiles
!= NULL
) {
1898 /* Returns 0 on success! */
1899 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1900 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1901 ERR_print_errors(bio_err
);
1908 ssl_ctx_set_excert(ctx
, exc
);
1910 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1911 if (next_proto
.data
!= NULL
)
1912 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1916 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1919 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1922 /* Returns 0 on success! */
1923 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1924 BIO_printf(bio_err
, "Error setting ALPN\n");
1930 for (i
= 0; i
< serverinfo_count
; i
++) {
1931 if (!SSL_CTX_add_client_custom_ext(ctx
,
1932 serverinfo_types
[i
],
1934 serverinfo_cli_parse_cb
, NULL
)) {
1936 "Warning: Unable to add custom extension %u, skipping\n",
1937 serverinfo_types
[i
]);
1942 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1944 #ifndef OPENSSL_NO_CT
1945 /* Enable SCT processing, without early connection termination */
1946 if (ct_validation
&&
1947 !SSL_CTX_enable_ct(ctx
, SSL_CT_VALIDATION_PERMISSIVE
)) {
1948 ERR_print_errors(bio_err
);
1952 if (!ctx_set_ctlog_list_file(ctx
, ctlog_file
)) {
1953 if (ct_validation
) {
1954 ERR_print_errors(bio_err
);
1959 * If CT validation is not enabled, the log list isn't needed so don't
1960 * show errors or abort. We try to load it regardless because then we
1961 * can show the names of the logs any SCTs came from (SCTs may be seen
1962 * even with validation disabled).
1968 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1970 if (!ctx_set_verify_locations(ctx
, CAfile
, noCAfile
, CApath
, noCApath
,
1971 CAstore
, noCAstore
)) {
1972 ERR_print_errors(bio_err
);
1976 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1978 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1981 if (!noservername
) {
1982 tlsextcbp
.biodebug
= bio_err
;
1983 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1984 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1986 # ifndef OPENSSL_NO_SRP
1987 if (srp_arg
.srplogin
) {
1988 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1989 BIO_printf(bio_err
, "Unable to set SRP username\n");
1992 srp_arg
.msg
= c_msg
;
1993 srp_arg
.debug
= c_debug
;
1994 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1995 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1996 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1997 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1998 SSL_CTX_set_srp_verify_param_callback(ctx
,
1999 ssl_srp_verify_param_cb
);
2003 if (dane_tlsa_domain
!= NULL
) {
2004 if (SSL_CTX_dane_enable(ctx
) <= 0) {
2006 "%s: Error enabling DANE TLSA authentication.\n",
2008 ERR_print_errors(bio_err
);
2014 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2015 * come at any time. Therefore we use a callback to write out the session
2016 * when we know about it. This approach works for < TLSv1.3 as well.
2018 SSL_CTX_set_session_cache_mode(ctx
, SSL_SESS_CACHE_CLIENT
2019 | SSL_SESS_CACHE_NO_INTERNAL_STORE
);
2020 SSL_CTX_sess_set_new_cb(ctx
, new_session_cb
);
2022 if (set_keylog_file(ctx
, keylog_file
))
2030 SSL_set_post_handshake_auth(con
, 1);
2032 if (sess_in
!= NULL
) {
2034 BIO
*stmp
= BIO_new_file(sess_in
, "r");
2036 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
2037 ERR_print_errors(bio_err
);
2040 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
2043 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
2044 ERR_print_errors(bio_err
);
2047 if (!SSL_set_session(con
, sess
)) {
2048 BIO_printf(bio_err
, "Can't set session\n");
2049 ERR_print_errors(bio_err
);
2053 SSL_SESSION_free(sess
);
2057 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
2059 if (!noservername
&& (servername
!= NULL
|| dane_tlsa_domain
== NULL
)) {
2060 if (servername
== NULL
) {
2061 if(host
== NULL
|| is_dNS_name(host
))
2062 servername
= (host
== NULL
) ? "localhost" : host
;
2064 if (servername
!= NULL
&& !SSL_set_tlsext_host_name(con
, servername
)) {
2065 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
2066 ERR_print_errors(bio_err
);
2071 if (dane_tlsa_domain
!= NULL
) {
2072 if (SSL_dane_enable(con
, dane_tlsa_domain
) <= 0) {
2073 BIO_printf(bio_err
, "%s: Error enabling DANE TLSA "
2074 "authentication.\n", prog
);
2075 ERR_print_errors(bio_err
);
2078 if (dane_tlsa_rrset
== NULL
) {
2079 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires at "
2080 "least one -dane_tlsa_rrdata option.\n", prog
);
2083 if (tlsa_import_rrset(con
, dane_tlsa_rrset
) <= 0) {
2084 BIO_printf(bio_err
, "%s: Failed to import any TLSA "
2085 "records.\n", prog
);
2088 if (dane_ee_no_name
)
2089 SSL_dane_set_flags(con
, DANE_FLAG_NO_DANE_EE_NAMECHECKS
);
2090 } else if (dane_tlsa_rrset
!= NULL
) {
2091 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires the "
2092 "-dane_tlsa_domain option.\n", prog
);
2097 if (init_client(&sock
, host
, port
, bindhost
, bindport
, socket_family
,
2098 socket_type
, protocol
) == 0) {
2099 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
2100 BIO_closesocket(sock
);
2103 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", sock
);
2106 if (!BIO_socket_nbio(sock
, 1)) {
2107 ERR_print_errors(bio_err
);
2110 BIO_printf(bio_c_out
, "Turned on non blocking io\n");
2112 #ifndef OPENSSL_NO_DTLS
2114 union BIO_sock_info_u peer_info
;
2116 #ifndef OPENSSL_NO_SCTP
2117 if (protocol
== IPPROTO_SCTP
)
2118 sbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
2121 sbio
= BIO_new_dgram(sock
, BIO_NOCLOSE
);
2123 if ((peer_info
.addr
= BIO_ADDR_new()) == NULL
) {
2124 BIO_printf(bio_err
, "memory allocation failure\n");
2125 BIO_closesocket(sock
);
2128 if (!BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &peer_info
)) {
2129 BIO_printf(bio_err
, "getsockname:errno=%d\n",
2130 get_last_socket_error());
2131 BIO_ADDR_free(peer_info
.addr
);
2132 BIO_closesocket(sock
);
2136 (void)BIO_ctrl_set_connected(sbio
, peer_info
.addr
);
2137 BIO_ADDR_free(peer_info
.addr
);
2138 peer_info
.addr
= NULL
;
2140 if (enable_timeouts
) {
2142 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
2143 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
2146 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
2147 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
2151 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
2152 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
2153 DTLS_get_link_min_mtu(con
));
2157 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
2158 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
2159 BIO_printf(bio_err
, "Failed to set MTU\n");
2164 /* want to do MTU discovery */
2165 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
2168 #endif /* OPENSSL_NO_DTLS */
2169 sbio
= BIO_new_socket(sock
, BIO_NOCLOSE
);
2174 test
= BIO_new(BIO_f_nbio_test());
2175 sbio
= BIO_push(test
, sbio
);
2179 BIO_set_callback(sbio
, bio_dump_callback
);
2180 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
2183 #ifndef OPENSSL_NO_SSL_TRACE
2185 SSL_set_msg_callback(con
, SSL_trace
);
2188 SSL_set_msg_callback(con
, msg_cb
);
2189 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
2192 if (c_tlsextdebug
) {
2193 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
2194 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
2196 #ifndef OPENSSL_NO_OCSP
2198 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
2199 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
2200 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
2204 SSL_set_bio(con
, sbio
, sbio
);
2205 SSL_set_connect_state(con
);
2207 /* ok, lets connect */
2208 if (fileno_stdin() > SSL_get_fd(con
))
2209 width
= fileno_stdin() + 1;
2211 width
= SSL_get_fd(con
) + 1;
2224 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
2231 * This is an ugly hack that does a lot of assumptions. We do
2232 * have to handle multi-line responses which may come in a single
2233 * packet or not. We therefore have to use BIO_gets() which does
2234 * need a buffering BIO. So during the initial chitchat we do
2235 * push a buffering BIO into the chain that is removed again
2236 * later on to not disturb the rest of the s_client operation.
2239 BIO
*fbio
= BIO_new(BIO_f_buffer());
2241 BIO_push(fbio
, sbio
);
2242 /* Wait for multi-line response to end from LMTP or SMTP */
2244 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2245 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2246 if (protohost
== NULL
)
2247 protohost
= "mail.example.com";
2248 if (starttls_proto
== (int)PROTO_LMTP
)
2249 BIO_printf(fbio
, "LHLO %s\r\n", protohost
);
2251 BIO_printf(fbio
, "EHLO %s\r\n", protohost
);
2252 (void)BIO_flush(fbio
);
2254 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2258 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2259 if (strstr(mbuf
, "STARTTLS"))
2261 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2262 (void)BIO_flush(fbio
);
2267 "Didn't find STARTTLS in server response,"
2268 " trying anyway...\n");
2269 BIO_printf(sbio
, "STARTTLS\r\n");
2270 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2275 BIO_read(sbio
, mbuf
, BUFSIZZ
);
2276 BIO_printf(sbio
, "STLS\r\n");
2277 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2279 BIO_printf(bio_err
, "BIO_read failed\n");
2287 BIO
*fbio
= BIO_new(BIO_f_buffer());
2289 BIO_push(fbio
, sbio
);
2290 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2291 /* STARTTLS command requires CAPABILITY... */
2292 BIO_printf(fbio
, ". CAPABILITY\r\n");
2293 (void)BIO_flush(fbio
);
2294 /* wait for multi-line CAPABILITY response */
2296 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2297 if (strstr(mbuf
, "STARTTLS"))
2300 while (mbuf_len
> 3 && mbuf
[0] != '.');
2301 (void)BIO_flush(fbio
);
2306 "Didn't find STARTTLS in server response,"
2307 " trying anyway...\n");
2308 BIO_printf(sbio
, ". STARTTLS\r\n");
2309 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2314 BIO
*fbio
= BIO_new(BIO_f_buffer());
2316 BIO_push(fbio
, sbio
);
2317 /* wait for multi-line response to end from FTP */
2319 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2321 while (mbuf_len
> 3 && (!isdigit(mbuf
[0]) || !isdigit(mbuf
[1]) || !isdigit(mbuf
[2]) || mbuf
[3] != ' '));
2322 (void)BIO_flush(fbio
);
2325 BIO_printf(sbio
, "AUTH TLS\r\n");
2326 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2330 case PROTO_XMPP_SERVER
:
2333 BIO_printf(sbio
, "<stream:stream "
2334 "xmlns:stream='http://etherx.jabber.org/streams' "
2335 "xmlns='jabber:%s' to='%s' version='1.0'>",
2336 starttls_proto
== PROTO_XMPP
? "client" : "server",
2337 protohost
? protohost
: host
);
2338 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2340 BIO_printf(bio_err
, "BIO_read failed\n");
2345 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2347 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2349 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2357 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2358 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2360 BIO_printf(bio_err
, "BIO_read failed\n");
2364 if (!strstr(sbuf
, "<proceed"))
2371 static const unsigned char tls_do
[] = {
2372 /* IAC DO START_TLS */
2375 static const unsigned char tls_will
[] = {
2376 /* IAC WILL START_TLS */
2379 static const unsigned char tls_follows
[] = {
2380 /* IAC SB START_TLS FOLLOWS IAC SE */
2381 255, 250, 46, 1, 255, 240
2385 /* Telnet server should demand we issue START_TLS */
2386 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2387 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
2389 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2390 BIO_write(sbio
, tls_will
, 3);
2391 BIO_write(sbio
, tls_follows
, 6);
2392 (void)BIO_flush(sbio
);
2393 /* Telnet server also sent the FOLLOWS sub-command */
2394 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2395 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
2400 if (!OSSL_HTTP_proxy_connect(sbio
, host
, port
, proxyuser
, proxypass
,
2401 0 /* no timeout */, bio_err
, prog
))
2407 BIO
*fbio
= BIO_new(BIO_f_buffer());
2409 BIO_push(fbio
, sbio
);
2410 BIO_printf(fbio
, "STARTTLS\r\n");
2411 (void)BIO_flush(fbio
);
2412 width
= SSL_get_fd(con
) + 1;
2418 openssl_fdset(SSL_get_fd(con
), &readfds
);
2419 timeout
.tv_sec
= S_CLIENT_IRC_READ_TIMEOUT
;
2420 timeout
.tv_usec
= 0;
2422 * If the IRCd doesn't respond within
2423 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2424 * it doesn't support STARTTLS. Many IRCds
2425 * will not give _any_ sort of response to a
2426 * STARTTLS command when it's not supported.
2428 if (!BIO_get_buffer_num_lines(fbio
)
2429 && !BIO_pending(fbio
)
2430 && !BIO_pending(sbio
)
2431 && select(width
, (void *)&readfds
, NULL
, NULL
,
2434 "Timeout waiting for response (%d seconds).\n",
2435 S_CLIENT_IRC_READ_TIMEOUT
);
2439 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2440 if (mbuf_len
< 1 || sscanf(mbuf
, "%*s %d", &numeric
) != 1)
2442 /* :example.net 451 STARTTLS :You have not registered */
2443 /* :example.net 421 STARTTLS :Unknown command */
2444 if ((numeric
== 451 || numeric
== 421)
2445 && strstr(mbuf
, "STARTTLS") != NULL
) {
2446 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2449 if (numeric
== 691) {
2450 BIO_printf(bio_err
, "STARTTLS negotiation failed: ");
2451 ERR_print_errors(bio_err
);
2454 } while (numeric
!= 670);
2456 (void)BIO_flush(fbio
);
2459 if (numeric
!= 670) {
2460 BIO_printf(bio_err
, "Server does not support STARTTLS.\n");
2468 /* SSL request packet */
2469 static const unsigned char ssl_req
[] = {
2470 /* payload_length, sequence_id */
2471 0x20, 0x00, 0x00, 0x01,
2473 /* capability flags, CLIENT_SSL always set */
2474 0x85, 0xae, 0x7f, 0x00,
2475 /* max-packet size */
2476 0x00, 0x00, 0x00, 0x01,
2479 /* string[23] reserved (all [0]) */
2480 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2481 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2482 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2485 int ssl_flg
= 0x800;
2487 const unsigned char *packet
= (const unsigned char *)sbuf
;
2489 /* Receiving Initial Handshake packet. */
2490 bytes
= BIO_read(sbio
, (void *)packet
, BUFSIZZ
);
2492 BIO_printf(bio_err
, "BIO_read failed\n");
2494 /* Packet length[3], Packet number[1] + minimum payload[17] */
2495 } else if (bytes
< 21) {
2496 BIO_printf(bio_err
, "MySQL packet too short.\n");
2498 } else if (bytes
!= (4 + packet
[0] +
2500 (packet
[2] << 16))) {
2501 BIO_printf(bio_err
, "MySQL packet length does not match.\n");
2503 /* protocol version[1] */
2504 } else if (packet
[4] != 0xA) {
2506 "Only MySQL protocol version 10 is supported.\n");
2511 /* server version[string+NULL] */
2514 BIO_printf(bio_err
, "Cannot confirm server version. ");
2516 } else if (packet
[pos
++] == '\0') {
2521 /* make sure we have at least 15 bytes left in the packet */
2522 if (pos
+ 15 > bytes
) {
2524 "MySQL server handshake packet is broken.\n");
2528 pos
+= 12; /* skip over conn id[4] + SALT[8] */
2529 if (packet
[pos
++] != '\0') { /* verify filler */
2531 "MySQL packet is broken.\n");
2535 /* capability flags[2] */
2536 if (!((packet
[pos
] + (packet
[pos
+ 1] << 8)) & ssl_flg
)) {
2537 BIO_printf(bio_err
, "MySQL server does not support SSL.\n");
2541 /* Sending SSL Handshake packet. */
2542 BIO_write(sbio
, ssl_req
, sizeof(ssl_req
));
2543 (void)BIO_flush(sbio
);
2546 case PROTO_POSTGRES
:
2548 static const unsigned char ssl_request
[] = {
2549 /* Length SSLRequest */
2550 0, 0, 0, 8, 4, 210, 22, 47
2554 /* Send SSLRequest packet */
2555 BIO_write(sbio
, ssl_request
, 8);
2556 (void)BIO_flush(sbio
);
2558 /* Reply will be a single S if SSL is enabled */
2559 bytes
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2560 if (bytes
!= 1 || sbuf
[0] != 'S')
2567 BIO
*fbio
= BIO_new(BIO_f_buffer());
2569 BIO_push(fbio
, sbio
);
2570 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2571 /* STARTTLS command requires CAPABILITIES... */
2572 BIO_printf(fbio
, "CAPABILITIES\r\n");
2573 (void)BIO_flush(fbio
);
2574 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2575 /* no point in trying to parse the CAPABILITIES response if there is none */
2576 if (strstr(mbuf
, "101") != NULL
) {
2577 /* wait for multi-line CAPABILITIES response */
2579 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2580 if (strstr(mbuf
, "STARTTLS"))
2582 } while (mbuf_len
> 1 && mbuf
[0] != '.');
2584 (void)BIO_flush(fbio
);
2589 "Didn't find STARTTLS in server response,"
2590 " trying anyway...\n");
2591 BIO_printf(sbio
, "STARTTLS\r\n");
2592 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2594 BIO_printf(bio_err
, "BIO_read failed\n");
2597 mbuf
[mbuf_len
] = '\0';
2598 if (strstr(mbuf
, "382") == NULL
) {
2599 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2607 BIO
*fbio
= BIO_new(BIO_f_buffer());
2609 BIO_push(fbio
, sbio
);
2610 /* wait for multi-line response to end from Sieve */
2612 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2614 * According to RFC 5804 § 1.7, capability
2615 * is case-insensitive, make it uppercase
2617 if (mbuf_len
> 1 && mbuf
[0] == '"') {
2618 make_uppercase(mbuf
);
2619 if (strncmp(mbuf
, "\"STARTTLS\"", 10) == 0)
2622 } while (mbuf_len
> 1 && mbuf
[0] == '"');
2623 (void)BIO_flush(fbio
);
2628 "Didn't find STARTTLS in server response,"
2629 " trying anyway...\n");
2630 BIO_printf(sbio
, "STARTTLS\r\n");
2631 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2633 BIO_printf(bio_err
, "BIO_read failed\n");
2636 mbuf
[mbuf_len
] = '\0';
2638 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2642 * According to RFC 5804 § 2.2, response codes are case-
2643 * insensitive, make it uppercase but preserve the response.
2645 strncpy(sbuf
, mbuf
, 2);
2646 make_uppercase(sbuf
);
2647 if (strncmp(sbuf
, "OK", 2) != 0) {
2648 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2655 /* StartTLS Operation according to RFC 4511 */
2656 static char ldap_tls_genconf
[] = "asn1=SEQUENCE:LDAPMessage\n"
2658 "messageID=INTEGER:1\n"
2659 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2660 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2662 char *genstr
= NULL
;
2664 ASN1_TYPE
*atyp
= NULL
;
2665 BIO
*ldapbio
= BIO_new(BIO_s_mem());
2666 CONF
*cnf
= NCONF_new(NULL
);
2672 BIO_puts(ldapbio
, ldap_tls_genconf
);
2673 if (NCONF_load_bio(cnf
, ldapbio
, &errline
) <= 0) {
2677 BIO_printf(bio_err
, "NCONF_load_bio failed\n");
2680 BIO_printf(bio_err
, "Error on line %ld\n", errline
);
2685 genstr
= NCONF_get_string(cnf
, "default", "asn1");
2686 if (genstr
== NULL
) {
2688 BIO_printf(bio_err
, "NCONF_get_string failed\n");
2691 atyp
= ASN1_generate_nconf(genstr
, cnf
);
2694 BIO_printf(bio_err
, "ASN1_generate_nconf failed\n");
2699 /* Send SSLRequest packet */
2700 BIO_write(sbio
, atyp
->value
.sequence
->data
,
2701 atyp
->value
.sequence
->length
);
2702 (void)BIO_flush(sbio
);
2703 ASN1_TYPE_free(atyp
);
2705 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2707 BIO_printf(bio_err
, "BIO_read failed\n");
2710 result
= ldap_ExtendedResponse_parse(mbuf
, mbuf_len
);
2712 BIO_printf(bio_err
, "ldap_ExtendedResponse_parse failed\n");
2714 } else if (result
> 0) {
2715 BIO_printf(bio_err
, "STARTTLS failed, LDAP Result Code: %i\n",
2724 if (early_data_file
!= NULL
2725 && ((SSL_get0_session(con
) != NULL
2726 && SSL_SESSION_get_max_early_data(SSL_get0_session(con
)) > 0)
2728 && SSL_SESSION_get_max_early_data(psksess
) > 0))) {
2729 BIO
*edfile
= BIO_new_file(early_data_file
, "r");
2730 size_t readbytes
, writtenbytes
;
2733 if (edfile
== NULL
) {
2734 BIO_printf(bio_err
, "Cannot open early data file\n");
2739 if (!BIO_read_ex(edfile
, cbuf
, BUFSIZZ
, &readbytes
))
2742 while (!SSL_write_early_data(con
, cbuf
, readbytes
, &writtenbytes
)) {
2743 switch (SSL_get_error(con
, 0)) {
2744 case SSL_ERROR_WANT_WRITE
:
2745 case SSL_ERROR_WANT_ASYNC
:
2746 case SSL_ERROR_WANT_READ
:
2747 /* Just keep trying - busy waiting */
2750 BIO_printf(bio_err
, "Error writing early data\n");
2752 ERR_print_errors(bio_err
);
2765 if (SSL_is_dtls(con
) && DTLSv1_get_timeout(con
, &timeout
))
2766 timeoutp
= &timeout
;
2770 if (!SSL_is_init_finished(con
) && SSL_total_renegotiations(con
) == 0
2771 && SSL_get_key_update_type(con
) == SSL_KEY_UPDATE_NONE
) {
2780 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
2781 print_ssl_summary(con
);
2784 print_stuff(bio_c_out
, con
, full_log
);
2788 if (starttls_proto
) {
2789 BIO_write(bio_err
, mbuf
, mbuf_len
);
2790 /* We don't need to know any more */
2792 starttls_proto
= PROTO_OFF
;
2797 BIO_printf(bio_c_out
,
2798 "drop connection and then reconnect\n");
2799 do_ssl_shutdown(con
);
2800 SSL_set_connect_state(con
);
2801 BIO_closesocket(SSL_get_fd(con
));
2807 ssl_pending
= read_ssl
&& SSL_has_pending(con
);
2810 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2813 * Note that select() returns when read _would not block_,
2814 * and EOF satisfies that. To avoid a CPU-hogging loop,
2815 * set the flag so we exit.
2817 if (read_tty
&& !at_eof
)
2818 openssl_fdset(fileno_stdin(), &readfds
);
2819 #if !defined(OPENSSL_SYS_VMS)
2821 openssl_fdset(fileno_stdout(), &writefds
);
2825 openssl_fdset(SSL_get_fd(con
), &readfds
);
2827 openssl_fdset(SSL_get_fd(con
), &writefds
);
2829 if (!tty_on
|| !write_tty
) {
2831 openssl_fdset(SSL_get_fd(con
), &readfds
);
2833 openssl_fdset(SSL_get_fd(con
), &writefds
);
2838 * Note: under VMS with SOCKETSHR the second parameter is
2839 * currently of type (int *) whereas under other systems it is
2840 * (void *) if you don't have a cast it will choke the compiler:
2841 * if you do have a cast then you can either go for (int *) or
2844 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2846 * Under Windows/DOS we make the assumption that we can always
2847 * write to the tty: therefore if we need to write to the tty we
2848 * just fall through. Otherwise we timeout the select every
2849 * second and see if there are any keypresses. Note: this is a
2850 * hack, in a proper Windows application we wouldn't do this.
2857 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2859 if (!i
&& (!has_stdin_waiting() || !read_tty
))
2862 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2866 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2870 BIO_printf(bio_err
, "bad select %d\n",
2871 get_last_socket_error());
2876 if (SSL_is_dtls(con
) && DTLSv1_handle_timeout(con
) > 0)
2877 BIO_printf(bio_err
, "TIMEOUT occurred\n");
2879 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
2880 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
2881 switch (SSL_get_error(con
, k
)) {
2882 case SSL_ERROR_NONE
:
2887 /* we have done a write(con,NULL,0); */
2888 if (cbuf_len
<= 0) {
2891 } else { /* if (cbuf_len > 0) */
2897 case SSL_ERROR_WANT_WRITE
:
2898 BIO_printf(bio_c_out
, "write W BLOCK\n");
2902 case SSL_ERROR_WANT_ASYNC
:
2903 BIO_printf(bio_c_out
, "write A BLOCK\n");
2904 wait_for_async(con
);
2908 case SSL_ERROR_WANT_READ
:
2909 BIO_printf(bio_c_out
, "write R BLOCK\n");
2914 case SSL_ERROR_WANT_X509_LOOKUP
:
2915 BIO_printf(bio_c_out
, "write X BLOCK\n");
2917 case SSL_ERROR_ZERO_RETURN
:
2918 if (cbuf_len
!= 0) {
2919 BIO_printf(bio_c_out
, "shutdown\n");
2928 case SSL_ERROR_SYSCALL
:
2929 if ((k
!= 0) || (cbuf_len
!= 0)) {
2930 BIO_printf(bio_err
, "write:errno=%d\n",
2931 get_last_socket_error());
2938 case SSL_ERROR_WANT_ASYNC_JOB
:
2939 /* This shouldn't ever happen in s_client - treat as an error */
2941 ERR_print_errors(bio_err
);
2945 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2946 /* Assume Windows/DOS/BeOS can always write */
2947 else if (!ssl_pending
&& write_tty
)
2949 else if (!ssl_pending
&& FD_ISSET(fileno_stdout(), &writefds
))
2952 #ifdef CHARSET_EBCDIC
2953 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
2955 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
2958 BIO_printf(bio_c_out
, "DONE\n");
2965 if (sbuf_len
<= 0) {
2969 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
2974 SSL_renegotiate(con
);
2979 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
2981 switch (SSL_get_error(con
, k
)) {
2982 case SSL_ERROR_NONE
:
2991 case SSL_ERROR_WANT_ASYNC
:
2992 BIO_printf(bio_c_out
, "read A BLOCK\n");
2993 wait_for_async(con
);
2996 if ((read_tty
== 0) && (write_ssl
== 0))
2999 case SSL_ERROR_WANT_WRITE
:
3000 BIO_printf(bio_c_out
, "read W BLOCK\n");
3004 case SSL_ERROR_WANT_READ
:
3005 BIO_printf(bio_c_out
, "read R BLOCK\n");
3008 if ((read_tty
== 0) && (write_ssl
== 0))
3011 case SSL_ERROR_WANT_X509_LOOKUP
:
3012 BIO_printf(bio_c_out
, "read X BLOCK\n");
3014 case SSL_ERROR_SYSCALL
:
3015 ret
= get_last_socket_error();
3017 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
3019 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
3021 case SSL_ERROR_ZERO_RETURN
:
3022 BIO_printf(bio_c_out
, "closed\n");
3025 case SSL_ERROR_WANT_ASYNC_JOB
:
3026 /* This shouldn't ever happen in s_client. Treat as an error */
3028 ERR_print_errors(bio_err
);
3032 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3033 #if defined(OPENSSL_SYS_MSDOS)
3034 else if (has_stdin_waiting())
3036 else if (FD_ISSET(fileno_stdin(), &readfds
))
3042 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
3044 /* both loops are skipped when i <= 0 */
3045 for (j
= 0; j
< i
; j
++)
3046 if (cbuf
[j
] == '\n')
3048 for (j
= i
- 1; j
>= 0; j
--) {
3049 cbuf
[j
+ lf_num
] = cbuf
[j
];
3050 if (cbuf
[j
] == '\n') {
3053 cbuf
[j
+ lf_num
] = '\r';
3056 assert(lf_num
== 0);
3058 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
3059 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3064 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
3065 BIO_printf(bio_err
, "DONE\n");
3070 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
3071 BIO_printf(bio_err
, "RENEGOTIATING\n");
3072 SSL_renegotiate(con
);
3074 } else if (!c_ign_eof
&& (cbuf
[0] == 'K' || cbuf
[0] == 'k' )
3076 BIO_printf(bio_err
, "KEYUPDATE\n");
3078 cbuf
[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3079 : SSL_KEY_UPDATE_NOT_REQUESTED
);
3084 #ifdef CHARSET_EBCDIC
3085 ebcdic2ascii(cbuf
, cbuf
, i
);
3097 print_stuff(bio_c_out
, con
, full_log
);
3098 do_ssl_shutdown(con
);
3101 * If we ended with an alert being sent, but still with data in the
3102 * network buffer to be read, then calling BIO_closesocket() will
3103 * result in a TCP-RST being sent. On some platforms (notably
3104 * Windows) then this will result in the peer immediately abandoning
3105 * the connection including any buffered alert data before it has
3106 * had a chance to be read. Shutting down the sending side first,
3107 * and then closing the socket sends TCP-FIN first followed by
3108 * TCP-RST. This seems to allow the peer to read the alert data.
3110 shutdown(SSL_get_fd(con
), 1); /* SHUT_WR */
3112 * We just said we have nothing else to say, but it doesn't mean that
3113 * the other side has nothing. It's even recommended to consume incoming
3114 * data. [In testing context this ensures that alerts are passed on...]
3117 timeout
.tv_usec
= 500000; /* some extreme round-trip */
3120 openssl_fdset(sock
, &readfds
);
3121 } while (select(sock
+ 1, &readfds
, NULL
, NULL
, &timeout
) > 0
3122 && BIO_read(sbio
, sbuf
, BUFSIZZ
) > 0);
3124 BIO_closesocket(SSL_get_fd(con
));
3128 print_stuff(bio_c_out
, con
, 1);
3131 SSL_SESSION_free(psksess
);
3132 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3133 OPENSSL_free(next_proto
.data
);
3136 set_keylog_file(NULL
, NULL
);
3138 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
3140 sk_X509_pop_free(chain
, X509_free
);
3142 #ifndef OPENSSL_NO_SRP
3143 OPENSSL_free(srp_arg
.srppassin
);
3145 OPENSSL_free(connectstr
);
3146 OPENSSL_free(bindstr
);
3149 X509_VERIFY_PARAM_free(vpm
);
3150 ssl_excert_free(exc
);
3151 sk_OPENSSL_STRING_free(ssl_args
);
3152 sk_OPENSSL_STRING_free(dane_tlsa_rrset
);
3153 SSL_CONF_CTX_free(cctx
);
3154 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
3155 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
3156 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
3157 if (proxypass
!= NULL
)
3158 OPENSSL_clear_free(proxypass
, strlen(proxypass
));
3160 BIO_free(bio_c_out
);
3162 BIO_free(bio_c_msg
);
3167 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
3171 const SSL_CIPHER
*c
;
3172 int i
, istls13
= (SSL_version(s
) == TLS1_3_VERSION
);
3174 #ifndef OPENSSL_NO_COMP
3175 const COMP_METHOD
*comp
, *expansion
;
3177 unsigned char *exportedkeymat
;
3178 #ifndef OPENSSL_NO_CT
3179 const SSL_CTX
*ctx
= SSL_get_SSL_CTX(s
);
3183 int got_a_chain
= 0;
3185 sk
= SSL_get_peer_cert_chain(s
);
3189 BIO_printf(bio
, "---\nCertificate chain\n");
3190 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
3191 BIO_printf(bio
, "%2d s:", i
);
3192 X509_NAME_print_ex(bio
, X509_get_subject_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3193 BIO_puts(bio
, "\n");
3194 BIO_printf(bio
, " i:");
3195 X509_NAME_print_ex(bio
, X509_get_issuer_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3196 BIO_puts(bio
, "\n");
3198 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
3202 BIO_printf(bio
, "---\n");
3203 peer
= SSL_get_peer_certificate(s
);
3205 BIO_printf(bio
, "Server certificate\n");
3207 /* Redundant if we showed the whole chain */
3208 if (!(c_showcerts
&& got_a_chain
))
3209 PEM_write_bio_X509(bio
, peer
);
3210 dump_cert_text(bio
, peer
);
3212 BIO_printf(bio
, "no peer certificate available\n");
3214 print_ca_names(bio
, s
);
3216 ssl_print_sigalgs(bio
, s
);
3217 ssl_print_tmp_key(bio
, s
);
3219 #ifndef OPENSSL_NO_CT
3221 * When the SSL session is anonymous, or resumed via an abbreviated
3222 * handshake, no SCTs are provided as part of the handshake. While in
3223 * a resumed session SCTs may be present in the session's certificate,
3224 * no callbacks are invoked to revalidate these, and in any case that
3225 * set of SCTs may be incomplete. Thus it makes little sense to
3226 * attempt to display SCTs from a resumed session's certificate, and of
3227 * course none are associated with an anonymous peer.
3229 if (peer
!= NULL
&& !SSL_session_reused(s
) && SSL_ct_is_enabled(s
)) {
3230 const STACK_OF(SCT
) *scts
= SSL_get0_peer_scts(s
);
3231 int sct_count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
3233 BIO_printf(bio
, "---\nSCTs present (%i)\n", sct_count
);
3234 if (sct_count
> 0) {
3235 const CTLOG_STORE
*log_store
= SSL_CTX_get0_ctlog_store(ctx
);
3237 BIO_printf(bio
, "---\n");
3238 for (i
= 0; i
< sct_count
; ++i
) {
3239 SCT
*sct
= sk_SCT_value(scts
, i
);
3241 BIO_printf(bio
, "SCT validation status: %s\n",
3242 SCT_validation_status_string(sct
));
3243 SCT_print(sct
, bio
, 0, log_store
);
3244 if (i
< sct_count
- 1)
3245 BIO_printf(bio
, "\n---\n");
3247 BIO_printf(bio
, "\n");
3253 "---\nSSL handshake has read %ju bytes "
3254 "and written %ju bytes\n",
3255 BIO_number_read(SSL_get_rbio(s
)),
3256 BIO_number_written(SSL_get_wbio(s
)));
3258 print_verify_detail(s
, bio
);
3259 BIO_printf(bio
, (SSL_session_reused(s
) ? "---\nReused, " : "---\nNew, "));
3260 c
= SSL_get_current_cipher(s
);
3261 BIO_printf(bio
, "%s, Cipher is %s\n",
3262 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
3266 pktmp
= X509_get0_pubkey(peer
);
3267 BIO_printf(bio
, "Server public key is %d bit\n",
3268 EVP_PKEY_bits(pktmp
));
3270 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
3271 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
3272 #ifndef OPENSSL_NO_COMP
3273 comp
= SSL_get_current_compression(s
);
3274 expansion
= SSL_get_current_expansion(s
);
3275 BIO_printf(bio
, "Compression: %s\n",
3276 comp
? SSL_COMP_get_name(comp
) : "NONE");
3277 BIO_printf(bio
, "Expansion: %s\n",
3278 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
3280 #ifndef OPENSSL_NO_KTLS
3281 if (BIO_get_ktls_send(SSL_get_wbio(s
)))
3282 BIO_printf(bio_err
, "Using Kernel TLS for sending\n");
3283 if (BIO_get_ktls_recv(SSL_get_rbio(s
)))
3284 BIO_printf(bio_err
, "Using Kernel TLS for receiving\n");
3287 if (OSSL_TRACE_ENABLED(TLS
)) {
3288 /* Print out local port of connection: useful for debugging */
3290 union BIO_sock_info_u info
;
3292 sock
= SSL_get_fd(s
);
3293 if ((info
.addr
= BIO_ADDR_new()) != NULL
3294 && BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &info
)) {
3295 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n",
3296 ntohs(BIO_ADDR_rawport(info
.addr
)));
3298 BIO_ADDR_free(info
.addr
);
3301 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3302 if (next_proto
.status
!= -1) {
3303 const unsigned char *proto
;
3304 unsigned int proto_len
;
3305 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
3306 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
3307 BIO_write(bio
, proto
, proto_len
);
3308 BIO_write(bio
, "\n", 1);
3312 const unsigned char *proto
;
3313 unsigned int proto_len
;
3314 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
3315 if (proto_len
> 0) {
3316 BIO_printf(bio
, "ALPN protocol: ");
3317 BIO_write(bio
, proto
, proto_len
);
3318 BIO_write(bio
, "\n", 1);
3320 BIO_printf(bio
, "No ALPN negotiated\n");
3323 #ifndef OPENSSL_NO_SRTP
3325 SRTP_PROTECTION_PROFILE
*srtp_profile
=
3326 SSL_get_selected_srtp_profile(s
);
3329 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
3330 srtp_profile
->name
);
3335 switch (SSL_get_early_data_status(s
)) {
3336 case SSL_EARLY_DATA_NOT_SENT
:
3337 BIO_printf(bio
, "Early data was not sent\n");
3340 case SSL_EARLY_DATA_REJECTED
:
3341 BIO_printf(bio
, "Early data was rejected\n");
3344 case SSL_EARLY_DATA_ACCEPTED
:
3345 BIO_printf(bio
, "Early data was accepted\n");
3351 * We also print the verify results when we dump session information,
3352 * but in TLSv1.3 we may not get that right away (or at all) depending
3353 * on when we get a NewSessionTicket. Therefore we print it now as well.
3355 verify_result
= SSL_get_verify_result(s
);
3356 BIO_printf(bio
, "Verify return code: %ld (%s)\n", verify_result
,
3357 X509_verify_cert_error_string(verify_result
));
3359 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3360 SSL_SESSION_print(bio
, SSL_get_session(s
));
3363 if (SSL_get_session(s
) != NULL
&& keymatexportlabel
!= NULL
) {
3364 BIO_printf(bio
, "Keying material exporter:\n");
3365 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
3366 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
3367 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
3368 if (!SSL_export_keying_material(s
, exportedkeymat
,
3371 strlen(keymatexportlabel
),
3373 BIO_printf(bio
, " Error\n");
3375 BIO_printf(bio
, " Keying material: ");
3376 for (i
= 0; i
< keymatexportlen
; i
++)
3377 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
3378 BIO_printf(bio
, "\n");
3380 OPENSSL_free(exportedkeymat
);
3382 BIO_printf(bio
, "---\n");
3384 /* flush, or debugging output gets mixed with http response */
3385 (void)BIO_flush(bio
);
3388 # ifndef OPENSSL_NO_OCSP
3389 static int ocsp_resp_cb(SSL
*s
, void *arg
)
3391 const unsigned char *p
;
3394 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
3395 BIO_puts(arg
, "OCSP response: ");
3397 BIO_puts(arg
, "no response sent\n");
3400 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
3402 BIO_puts(arg
, "response parse error\n");
3403 BIO_dump_indent(arg
, (char *)p
, len
, 4);
3406 BIO_puts(arg
, "\n======================================\n");
3407 OCSP_RESPONSE_print(arg
, rsp
, 0);
3408 BIO_puts(arg
, "======================================\n");
3409 OCSP_RESPONSE_free(rsp
);
3414 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
)
3416 const unsigned char *cur
, *end
;
3418 int tag
, xclass
, inf
, ret
= -1;
3420 cur
= (const unsigned char *)buf
;
3426 * LDAPMessage ::= SEQUENCE {
3427 * messageID MessageID,
3428 * protocolOp CHOICE {
3430 * extendedResp ExtendedResponse,
3432 * controls [0] Controls OPTIONAL }
3434 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3435 * COMPONENTS OF LDAPResult,
3436 * responseName [10] LDAPOID OPTIONAL,
3437 * responseValue [11] OCTET STRING OPTIONAL }
3439 * LDAPResult ::= SEQUENCE {
3440 * resultCode ENUMERATED {
3446 * diagnosticMessage LDAPString,
3447 * referral [3] Referral OPTIONAL }
3451 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3452 if (inf
!= V_ASN1_CONSTRUCTED
|| tag
!= V_ASN1_SEQUENCE
||
3453 (rem
= end
- cur
, len
> rem
)) {
3454 BIO_printf(bio_err
, "Unexpected LDAP response\n");
3458 rem
= len
; /* ensure that we don't overstep the SEQUENCE */
3460 /* pull MessageID */
3461 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3462 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_INTEGER
||
3463 (rem
= end
- cur
, len
> rem
)) {
3464 BIO_printf(bio_err
, "No MessageID\n");
3468 cur
+= len
; /* shall we check for MessageId match or just skip? */
3470 /* pull [APPLICATION 24] */
3472 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3473 if (inf
!= V_ASN1_CONSTRUCTED
|| xclass
!= V_ASN1_APPLICATION
||
3475 BIO_printf(bio_err
, "Not ExtendedResponse\n");
3479 /* pull resultCode */
3481 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3482 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_ENUMERATED
|| len
== 0 ||
3483 (rem
= end
- cur
, len
> rem
)) {
3484 BIO_printf(bio_err
, "Not LDAPResult\n");
3488 /* len should always be one, but just in case... */
3489 for (ret
= 0, inf
= 0; inf
< len
; inf
++) {
3493 /* There is more data, but we don't care... */
3499 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3500 * before setting it as SNI
3502 static int is_dNS_name(const char *host
)
3504 const size_t MAX_LABEL_LENGTH
= 63;
3507 size_t length
= strlen(host
);
3508 size_t label_length
= 0;
3509 int all_numeric
= 1;
3512 * Deviation from strict DNS name syntax, also check names with '_'
3513 * Check DNS name syntax, any '-' or '.' must be internal,
3514 * and on either side of each '.' we can't have a '-' or '.'.
3516 * If the name has just one label, we don't consider it a DNS name.
3518 for (i
= 0; i
< length
&& label_length
< MAX_LABEL_LENGTH
; ++i
) {
3521 if ((c
>= 'a' && c
<= 'z')
3522 || (c
>= 'A' && c
<= 'Z')
3529 if (c
>= '0' && c
<= '9') {
3534 /* Dot and hyphen cannot be first or last. */
3535 if (i
> 0 && i
< length
- 1) {
3541 * Next to a dot the preceding and following characters must not be
3542 * another dot or a hyphen. Otherwise, record that the name is
3543 * plausible, since it has two or more labels.
3546 && host
[i
+ 1] != '.'
3547 && host
[i
- 1] != '-'
3548 && host
[i
+ 1] != '-') {
3558 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3559 isdnsname
&= !all_numeric
&& !(label_length
== MAX_LABEL_LENGTH
);
3563 #endif /* OPENSSL_NO_SOCK */